Base | Representation |
---|---|
bin | 10001000110111111… |
… | …100010110000101001 |
3 | 1202102022011000201202 |
4 | 101012333202300221 |
5 | 300110424304003 |
6 | 12234532453545 |
7 | 1220151225536 |
oct | 210677426051 |
9 | 52368130652 |
10 | 18370931753 |
11 | 7877a03a29 |
12 | 368847a2b5 |
13 | 196a035025 |
14 | c63bc5d8d |
15 | 727c29088 |
hex | 446fe2c29 |
18370931753 has 16 divisors (see below), whose sum is σ = 19505418240. Its totient is φ = 17278603776.
The previous prime is 18370931729. The next prime is 18370931759. The reversal of 18370931753 is 35713907381.
It is a cyclic number.
It is not a de Polignac number, because 18370931753 - 214 = 18370915369 is a prime.
It is a super-2 number, since 2×183709317532 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 18370931698 and 18370931707.
It is not an unprimeable number, because it can be changed into a prime (18370931759) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94808 + ... + 213846.
It is an arithmetic number, because the mean of its divisors is an integer number (1219088640).
Almost surely, 218370931753 is an apocalyptic number.
It is an amenable number.
18370931753 is a deficient number, since it is larger than the sum of its proper divisors (1134486487).
18370931753 is a wasteful number, since it uses less digits than its factorization.
18370931753 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 119216.
The product of its (nonzero) digits is 476280, while the sum is 47.
The spelling of 18370931753 in words is "eighteen billion, three hundred seventy million, nine hundred thirty-one thousand, seven hundred fifty-three".
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